Fellatio, also known as oral sex, is an intimate practice in which one partner orally stimulates the other's penis. This includes cuddling, licking, genital sucking, and the like. Many couples incorporate this form of intimacy into their sexual repertoire as part of their mutual satisfaction.
Fellatio: The Sexiom Handbook
Definition and designation of the term Fellatio from the Sexiom Handbook. Quick and briefly.